🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 29 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 11.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.07 AU - 1.45 AU

Year: 913 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 83.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,622,616 km

• M1: 139,575 km (0.077 R)
• M2: 497,114 km (0.11 R)
• M3: 947,254 km (0.086 R)
• M4: 1,397,843 km (0.118 R)
• M5: 1,834,668 km (0.116 R)
• M6: 2,194,900 km (0.095 R)
• M7: 2,581,311 km (0.104 R)
• M8: 3,493,559 km (0.111 R)
• M9: 3,879,821 km (0.089 R)
• M10: 4,854,601 km (0.096 R)
• M11: 5,590,472 km (0.081 R)
• M12: 6,644,090 km (0.117 R)
• M13: 7,087,947 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 11.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.75 AU - 2.43 AU

Year: 1951 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,622,616 km

• M1: 144,362 km (0.1 R)
• M2: 706,850 km (0.105 R)
• M3: 1,168,659 km (0.095 R)
• M4: 1,553,873 km (0.049 R)
• M5: 1,966,913 km (0.098 R)
• M6: 3,873,089 km (0.091 R)
• M7: 4,396,681 km (0.049 R)
• M8: 5,123,129 km (0.088 R)
• M9: 5,682,625 km (0.115 R)
• M10: 6,103,444 km (0.054 R)
• M11: 6,842,008 km (0.101 R)
• M12: 7,233,207 km (0.109 R)
• M13: 9,049,175 km (0.094 R)
• M14: 9,624,529 km (0.115 R)
• M15: 10,296,373 km (0.079 R)
• M16: 10,662,439 km (0.094 R)
• M17: 12,295,898 km (0.088 R)
• M18: 13,215,177 km (0.077 R)
• M19: 14,135,054 km (0.045 R)
• M20: 16,004,279 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 9.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.82 AU - 2.5 AU

Year: 2050 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,622,616 km

• M1: 114,442 km (0.084 R)
• M2: 718,519 km (0.111 R)
• M3: 1,346,530 km (0.08 R)
• M4: 2,823,809 km (0.103 R)
• M5: 4,388,902 km (0.058 R)
• M6: 5,377,295 km (0.068 R)
• M7: 6,142,489 km (0.09 R)
• M8: 8,607,712 km (0.076 R)
• M9: 9,511,133 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 12.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.44 AU - 2.58 AU

Year: 2568 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,622,616 km

• M1: 150,944 km (0.102 R)
• M2: 553,063 km (0.119 R)
• M3: 984,653 km (0.084 R)
• M4: 1,404,425 km (0.096 R)
• M5: 2,229,307 km (0.117 R)
• M6: 2,751,254 km (0.094 R)
• M7: 4,254,414 km (0.094 R)
• M8: 5,423,820 km (0.081 R)
• M9: 6,046,447 km (0.083 R)
• M10: 6,609,982 km (0.057 R)
• M11: 7,180,548 km (0.097 R)
• M12: 7,607,949 km (0.049 R)
• M13: 8,640,025 km (0.087 R)
• M14: 10,686,075 km (0.066 R)
• M15: 13,717,975 km (0.114 R)
• M16: 14,422,581 km (0.114 R)
• M17: 15,856,477 km (0.068 R)
• M18: 16,241,542 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 9.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.11 AU - 3.41 AU

Year: 3801 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,622,616 km

• M1: 116,836 km (0.105 R)
• M2: 435,928 km (0.098 R)
• M3: 1,042,248 km (0.096 R)
• M4: 1,619,247 km (0.099 R)
• M5: 2,117,707 km (0.119 R)
• M6: 2,684,384 km (0.11 R)
• M7: 4,140,570 km (0.054 R)
• M8: 7,082,113 km (0.046 R)
• M9: 7,876,477 km (0.085 R)
• M10: 8,312,406 km (0.086 R)
• M11: 9,454,436 km (0.038 R)
• M12: 10,219,479 km (0.105 R)
• M13: 10,697,893 km (0.082 R)
• M14: 13,840,795 km (0.085 R)
• M15: 16,284,476 km (0.109 R)
• M16: 17,103,674 km (0.082 R)
• M17: 21,228,985 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 12.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.51 AU - 4.15 AU

Year: 3924 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,622,616 km

• M1: 160,070 km (0.114 R)
• M2: 661,522 km (0.061 R)
• M3: 1,182,571 km (0.102 R)
• M4: 1,582,895 km (0.107 R)
• M5: 2,063,254 km (0.113 R)
• M6: 3,051,647 km (0.118 R)
• M7: 3,653,479 km (0.07 R)
• M8: 8,967,495 km (0.079 R)
• M9: 10,749,355 km (0.08 R)
• M10: 12,232,917 km (0.12 R)
• M11: 14,659,544 km (0.11 R)
• M12: 19,489,012 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.4

Radius: 6.2

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.67 AU - 6.87 AU

Year: 10137 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,622,616 km

• M1: 77,043 km (0.112 R)
• M2: 322,982 km (0.073 R)
• M3: 1,527,693 km (0.094 R)
• M4: 1,742,815 km (0.105 R)
• M5: 2,288,698 km (0.102 R)
• M6: 2,611,380 km (0.116 R)
• M7: 3,395,273 km (0.051 R)
• M8: 5,319,251 km (0.115 R)
• M9: 5,681,877 km (0.111 R)
• M10: 23,960,642 km (0.113 R)
• M11: 26,056,209 km (0.08 R)
• M12: 26,622,287 km (0.093 R)
• M13: 29,474,670 km (0.12 R)
• M14: 33,401,315 km (0.112 R)
• M15: 33,623,019 km (0.1 R)
• M16: 40,991,911 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710

Radius: 7.4

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.91 AU - 10.95 AU

Year: 18697 Days

Day: 19.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,622,616 km

• M1: 93,798 km (0.074 R)
• M2: 335,249 km (0.053 R)
• M3: 572,810 km (0.11 R)
• M4: 1,034,170 km (0.106 R)
• M5: 2,037,972 km (0.1 R)
• M6: 3,756,552 km (0.102 R)
• M7: 4,487,487 km (0.104 R)
• M8: 6,061,407 km (0.118 R)
• M9: 6,528,002 km (0.12 R)
• M10: 7,873,336 km (0.027 R)
• M11: 9,010,429 km (0.059 R)
• M12: 12,594,495 km (0.081 R)
• M13: 13,143,968 km (0.104 R)
• M14: 19,097,814 km (0.083 R)
• M15: 19,458,195 km (0.099 R)
• M16: 20,285,322 km (0.054 R)
• M17: 20,660,513 km (0.073 R)
• M18: 22,505,653 km (0.035 R)
• M19: 24,458,205 km (0.119 R)
• M20: 27,082,301 km (0.07 R)
• M21: 36,483,330 km (0.079 R)
• M22: 38,736,573 km (0.038 R)
• M23: 39,024,699 km (0.111 R)
• M24: 41,984,044 km (0.098 R)
• M25: 46,211,979 km (0.088 R)
• M26: 52,454,848 km (0.104 R)
• M27: 53,695,762 km (0.04 R)
• M28: 67,826,029 km (0.051 R)
• M29: 71,007,228 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 17,430 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit